Swinging-window construction



March 18, 1930. w. DREUSIKE SWINGING WINDOW CONSTRUCTION Filed Dec. 18, 1928 5H L Tm m MEEv INVENTOR. WILLIAM DREUSIKE A TTORNEYS.

Patented Mar. 18, 1930 UNITED STATES,

PATENT OFFICE WILLIAM DBEUSIKE, F OAKLAND, CALIFORNIA ASSIGNOB TO UNITED STATES METAL- PRODUCTS 60., OF SAN FRANGICO, CALIFORNIA, A CORPORATION ,OF CALIFORNIA swmeme-wmnow CONSTRUCTION Application filed December 18, 1928. Serial No. 326,758.

This invention relates to windows of the swinging or casement type, and has for its objects improvements in the pivoted mounting of swinging sash to the fixed frame of the window.

More particularly, an object of the invention is to draw the hinged or pivoted edge of the sash against the fixed frame as the sash is closed, and further to prevent interference of parts when the sash is made with a flange projecting beyond it so as to overlap the fixed frame all around the opening when the sash is closed.

This invention has particular reference to metal or steel frame windows and in which the fixed frame is of channel section and the swinging sash portion is also of channel section and formed with a flange which seats against the fixed section all around the window opening when the sash is closed.

In the drawings accompanying this application Fig. 1.is a perspective view of a steel window showing the fixed frame and the swinging sash portion pivoted thereto and arranged partially opened.

Fig. 2 is a plan view of a portion of the lower stile of the fixed frame and showing a portion of the sash in section, also the slidin shoe pivotal arrangement, the view being ta en generally from the dotted line 2 of Fig.

1 in so far as the swinging and fixed frame is concerned but otherwise from a point just above the sliding shoe as seen from the line 22 of Fig. 3.

Fig. 3 is an enlarged side elevation, partly in section showing the sliding shoe and its,

I spring housing which secures to the pivoted sash portion of the structure. I

Fig. 4 is a plan view of the metal channelshaped track in which the sliding shoes operate.

Fig. 5 is a cross section of the channel track of Fig. 4 as seen from the line 5-5 thereof.

Such swinging windows as are concerned in this invention may be pivoted from either vertical edge to open like a door, or they may be pivoted either at the top or bottom to open transom-like. The drawing showing the first mentioned variety, pivoted at one vertical edge so as to' open outwardly, commonly known as an outwardly swinging casement window of the sliding shoe type, as the piv-r oted edge of the sash instead of being mounted on fixed hinges is pivoted to shoes at the top and bottom of the window frame and also linked top and bottom by a rod, all in a manner so that upon opening the sash the pivoted edge will slide along the fixed frame on the shoes so as to provide a space at the pivoted edge of the sash for reaching out to clean the outside of the window pane The drawings also show the invention applied to metal framed windows in which the frames both of the sash and fixed frame are of double channel or Z bar shape. In the drawings the fixed frame is designated 1, and the swinging sash 2, glazed by lights 3.

The fixed frame has an inwardly turned channel extending all around the opening, and the swinging sash frame is provided with an outer flange 2' which, when the sash is closed, overlaps and lies snugly against the outer side of the fixed frame as indicated by the dotted position in Fig. 2. At thetop and bottom of the sash is a small block 01' shoe 4 which is arranged so as to be slidable in a channel track 5 or guide, preferably made of non-rustabl'e metal and mounted separately within the channel of the fixed frame as indicated. The mounting of the swinging sash to the sliding shoes is effected through means of a pivot as at G'eXtending in a bearing lug or block 7 in turn secured to the swinging sash as indicated, and forming a closed housing.

\Vithin one or both bearing blocks 7 is a recess 8 in which is positioned a compression spiral spring 9 arranged to force the shoe outwardly against the guide or track 5, so as to produce a sufficient friction to hold the sash in various positions of adjustment.

Also connected to the sash at the top and bottom of the same are rods or links 10, each pivoted at their outer ends to the sash at 11 and at their inner ends to the fixed frame as indicated at 12. I

The construction thus far described is well known with the exception of the housing or block 7 entirely enclosing the spring 9 as best shown in Fig. 3. I

The most important feature of the invention consists in the particular arrangement of the track or guide 5 and the form of the shoes 4 so that upon closing the sash the outer flange 2 will be drawn firmly against the outer side of the frame 1 along the pivoted edge of the sash, and upon initial opening movement of the sash the flange 2 at the pivoted edge will first move outwardly so as not to interfere with the outer side of frame 1. The peculiar movement of the flange 2 along the pivoted edge of the sash upon openin or closing from the position shown in Fig. 2, is designated by the dot and dash line X, and from which it will be seen that the flange 2' in closing swings slightly outward from the outside surface of the fixed frame 1 and then finally pulls in snugly against the same. Upon opening movement the motion is of course reversed.

This peculiar motion of the flange 2 along the pivoted edge is eiiected through a special shaping of the track or guide 5 adjacent the pivoted edge of the sash, and consists of curving the guide toward the inside of the fixed frame as shown at 5, and also of curving the shoe 4 on opposite edges so that it will follow along the curved portion of the guide way, and in consequence will draw the pivot (5 from the normal parallel line of travel 13 inward to the line 13 upon final closing of the sash against the fixed frame.

Since, upon initial opening movement of the sash it swings around the pivotal axis 6, if this axis 6 were only slidable along line parallel with the frame, the flange 2 would move downward or rather inward directly against the outer surface of the fixed frame and interfere so that the sash could not be opened or the flange would be destroyed, for while there is a simultaneous sliding of the shoes and withdrawal of the pivoted edge from the adjacent vertical edge of the fixed frame, nevertheless the sliding movement would not take place quick enough to prevent this interference, and hence it has been the custom to either reduce the overlap of the flange 2 to the very minimum, or provide sufficient initial clearance between the flange 2 and the outer surface of the fixed frame in windows of this kind. However, by means of my improvement in shaping the guide and shoe, I am enabled to have a flange 2 of any desired overlap fitting snugly against the outer surface of the fixed frame, and completely overcome anv interference of the parts during opening and closing of the sash. along the pivoted edge thereof.

The top and bottom flanges are notched out slightly to thepoint Y so that they may extend inwardly beyond the fixed frame when the sash is open, as indicated in Fig. 2.

When the sash is closed the-free edge 1s locked and drawn tightly to the fixed'frame by means of any suitable clamping catch such as indicated at 14.

While I show and prefer to insert a separate track 5 in the steelfixed frame of the Window, it is of course evident that the shoes 4 both at the top and bottom could slide di rcctly in the main channel of the fixed frame, providing suitable means was used to force the shoe lnward at the closing movement of the sash in the general manner described.

I claim 1. In a window of the swinging sash type, a fixed frame, a sash fitting therein prov1 ed with a flange overlapping the frame, shoes at opposite edges of the sash, tracks provided whereby said shoes are slidable parallel with and along the frame, means pivotally connecting the shoes and sash at one edge of the sash so that the sash can swing open and closed with respect to the frame, and means for guiding said shoes to draw the pivoted edge of the sash toward the frame for seating said flange thereagainst upon closing the same, said shoes being formed to cooperate with the guiding means.

2. In a window of the swinging sash type, a fixed frame, a sash fitting therein provided with an outer flange overlapping the outside of the frame, shoes at opposite edges of the sash, a channel track at opposite edges of the frame extending parallel with the frame and guiding said shoes thercalong, said channel tracks curved at one end toward the inner side of the frame for drawing the shoesand sash inwardly in closing the same and seating said flange against the outside of the frame, andsaid shoes being of oblong form to ride in the channels and also to follow the curved ends thereof.

3. In a window of the swinging sash type, a fixed frame, a sash fitting therein for swinging outwardly, tracks along opposite sides of the frame, shoes slidable in said tracks, means pivotally connecting said shoes respectively to opposite edges of the sash adjacent the corners thereof so that in opening the sash the shoes may slide along the tracks. a flange on the outer side of the sash projecting beyond said corners of the sash and overlapping the outer side of the fixed frame at the pivoted edge of the sash, said tracks being formed with a bend extending from the fixed frame outwardly and guiding said shoes first outwardly upon opening the sash so as to make said flange clear the fixed frame. WILLIAM DREUSIKE. 

